Montana De La Rosa has a new opponent. JJ Aldrich has stepped into the UFC Fight Night 229 bout Oct. 7 at the UFC Apex in Las Vegas, replacing the withdrawn Stephanie Egger , who pulled out for undisclosed reasons. Two people with knowledge of the matchup recently informed MMA Junkie of the booking but asked to remain anonymous as the promotion has yet to make an official announcement. Aldrich (12-6 MMA, 8-5 UFC) competed Aug